{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147008152",
    "entityType": "User",
    "nonce": "0x89b7f1154f55b6c3fdb5a2313a5ab85fbb3758d04513596ce1a17f809825d920",
    "signature": "0xa3a909dd1a8f2f53d1ba2c1a39f4bfc32dcb1cf393deb3c3c839beb2aa72d5022774ea5c3084a830b231d0514374e54fca984a498b7cc5a19ab85452aa4fbf0e1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}